{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Treatment.Duration", "Combination.Drug", "Treatment.Disorder", "Subject.Gender", "Treatment", "Subject", "Subject.Race", "Treatment.Freq", "Subject.Age", "Subject.Disorder", "Treatment.Drug", "Treatment.Route", "Effect"]}], "input": "Chlormadinone acetate withdrawal syndrome under combined androgen blockade for advanced prostate cancer."}
{"potential therapeutic event": [{"Treatment.Duration": "NAN", "Combination.Drug": ["androgen blockade", "Chlormadinone acetate"], "Treatment.Disorder": "advanced prostate cancer", "Subject.Gender": "NAN", "Treatment": ["androgen blockade", "Chlormadinone acetate"], "Subject": "NAN", "Subject.Race": "NAN", "Treatment.Freq": "NAN", "Subject.Age": "NAN", "Subject.Disorder": "NAN", "Treatment.Drug": ["androgen blockade", "Chlormadinone acetate"], "Treatment.Route": "NAN", "Effect": "NAN"}]}